package hx.nine.eleven.bytebuddy.aop.util;

import hx.nine.eleven.commons.utils.CollectionUtils;
import hx.nine.eleven.commons.utils.StringUtils;

import java.util.Collection;
import java.util.Iterator;
import java.util.Map;
import java.util.function.Supplier;

public class Assert {

  public Assert() {
  }

  public static void state(boolean expression, String message) {
	if (!expression) {
	  throw new IllegalStateException(message);
	}
  }

  public static void state(boolean expression, Supplier<String> messageSupplier) {
	if (!expression) {
	  throw new IllegalStateException(nullSafeGet(messageSupplier));
	}
  }

  /** @deprecated */
  @Deprecated
  public static void state(boolean expression) {
	state(expression, "[Assertion failed] - this state invariant must be true");
  }

  public static void isTrue(boolean expression, String message) {
	if (!expression) {
	  throw new IllegalArgumentException(message);
	}
  }

  public static void isTrue(boolean expression, Supplier<String> messageSupplier) {
	if (!expression) {
	  throw new IllegalArgumentException(nullSafeGet(messageSupplier));
	}
  }

  /** @deprecated */
  @Deprecated
  public static void isTrue(boolean expression) {
	isTrue(expression, "[Assertion failed] - this expression must be true");
  }

  public static void isNull(Object object, String message) {
	if (object != null) {
	  throw new IllegalArgumentException(message);
	}
  }

  public static void isNull(Object object, Supplier<String> messageSupplier) {
	if (object != null) {
	  throw new IllegalArgumentException(nullSafeGet(messageSupplier));
	}
  }

  /** @deprecated */
  @Deprecated
  public static void isNull(Object object) {
	isNull(object, "[Assertion failed] - the object argument must be null");
  }

  public static void notNull(Object object, String message) {
	if (object == null) {
	  throw new IllegalArgumentException(message);
	}
  }

  public static void notNull(Object object, Supplier<String> messageSupplier) {
	if (object == null) {
	  throw new IllegalArgumentException(nullSafeGet(messageSupplier));
	}
  }

  /** @deprecated */
  @Deprecated
  public static void notNull(Object object) {
	notNull(object, "[Assertion failed] - this argument is required; it must not be null");
  }

  public static void hasLength(String text, String message) {
	if (!StringUtils.isNotBlank(text)) {
	  throw new IllegalArgumentException(message);
	}
  }

  public static void hasLength(String text, Supplier<String> messageSupplier) {
	if (!StringUtils.isNotBlank(text)) {
	  throw new IllegalArgumentException(nullSafeGet(messageSupplier));
	}
  }

  /** @deprecated */
  @Deprecated
  public static void hasLength(String text) {
	hasLength(text, "[Assertion failed] - this String argument must have length; it must not be null or empty");
  }

  public static void hasText(String text, String message) {
	if (!StringUtils.hasText(text)) {
	  throw new IllegalArgumentException(message);
	}
  }

  public static void hasText(String text, Supplier<String> messageSupplier) {
	if (!StringUtils.hasText(text)) {
	  throw new IllegalArgumentException(nullSafeGet(messageSupplier));
	}
  }

  /** @deprecated */
  @Deprecated
  public static void hasText(String text) {
	hasText(text, "[Assertion failed] - this String argument must have text; it must not be null, empty, or blank");
  }

  public static void doesNotContain(String textToSearch, String substring, String message) {
	if (StringUtils.isNotBlank(textToSearch) && StringUtils.isNotBlank(substring) && textToSearch.contains(substring)) {
	  throw new IllegalArgumentException(message);
	}
  }

  public static void doesNotContain(String textToSearch, String substring, Supplier<String> messageSupplier) {
	if (StringUtils.isNotBlank(textToSearch) && StringUtils.isNotBlank(substring) && textToSearch.contains(substring)) {
	  throw new IllegalArgumentException(nullSafeGet(messageSupplier));
	}
  }

  /** @deprecated */
  @Deprecated
  public static void doesNotContain(String textToSearch, String substring) {
	doesNotContain(textToSearch, substring, () -> {
	  return "[Assertion failed] - this String argument must not contain the substring [" + substring + "]";
	});
  }

  public static void notEmpty(Object[] array, String message) {
	if (array == null || array.length<=0) {
	  throw new IllegalArgumentException(message);
	}
  }

  public static void notEmpty(Object[] array, Supplier<String> messageSupplier) {
	if (array == null || array.length<=0) {
	  throw new IllegalArgumentException(nullSafeGet(messageSupplier));
	}
  }

  /** @deprecated */
  @Deprecated
  public static void notEmpty(Object[] array) {
	notEmpty(array, "[Assertion failed] - this array must not be empty: it must contain at least 1 element");
  }

  public static void noNullElements(Object[] array, String message) {
	if (array != null) {
	  Object[] var2 = array;
	  int var3 = array.length;

	  for(int var4 = 0; var4 < var3; ++var4) {
		Object element = var2[var4];
		if (element == null) {
		  throw new IllegalArgumentException(message);
		}
	  }
	}

  }

  public static void noNullElements(Object[] array, Supplier<String> messageSupplier) {
	if (array != null) {
	  Object[] var2 = array;
	  int var3 = array.length;

	  for(int var4 = 0; var4 < var3; ++var4) {
		Object element = var2[var4];
		if (element == null) {
		  throw new IllegalArgumentException(nullSafeGet(messageSupplier));
		}
	  }
	}

  }

  /** @deprecated */
  @Deprecated
  public static void noNullElements(Object[] array) {
	noNullElements(array, "[Assertion failed] - this array must not contain any null elements");
  }

  public static void notEmpty(Collection<?> collection, String message) {
	if (CollectionUtils.isEmpty(collection)) {
	  throw new IllegalArgumentException(message);
	}
  }

  public static void notEmpty(Collection<?> collection, Supplier<String> messageSupplier) {
	if (CollectionUtils.isEmpty(collection)) {
	  throw new IllegalArgumentException(nullSafeGet(messageSupplier));
	}
  }

  /** @deprecated */
  @Deprecated
  public static void notEmpty(Collection<?> collection) {
	notEmpty(collection, "[Assertion failed] - this collection must not be empty: it must contain at least 1 element");
  }

  public static void noNullElements(Collection<?> collection, String message) {
	if (collection != null) {
	  Iterator var2 = collection.iterator();

	  while(var2.hasNext()) {
		Object element = var2.next();
		if (element == null) {
		  throw new IllegalArgumentException(message);
		}
	  }
	}

  }

  public static void noNullElements(Collection<?> collection, Supplier<String> messageSupplier) {
	if (collection != null) {
	  Iterator var2 = collection.iterator();

	  while(var2.hasNext()) {
		Object element = var2.next();
		if (element == null) {
		  throw new IllegalArgumentException(nullSafeGet(messageSupplier));
		}
	  }
	}

  }

  public static void notEmpty(Map<?, ?> map, String message) {
	if (map == null || map.isEmpty()) {
	  throw new IllegalArgumentException(message);
	}
  }

  public static void notEmpty(Map<?, ?> map, Supplier<String> messageSupplier) {
	if (map == null || map.isEmpty()) {
	  throw new IllegalArgumentException(nullSafeGet(messageSupplier));
	}
  }

  /** @deprecated */
  @Deprecated
  public static void notEmpty(Map<?, ?> map) {
	notEmpty(map, "[Assertion failed] - this map must not be empty; it must contain at least one entry");
  }

  public static void isInstanceOf(Class<?> type,Object obj, String message) {
	notNull(type, (String)"Type to check against must not be null");
	if (!type.isInstance(obj)) {
	  instanceCheckFailed(type, obj, message);
	}

  }

  public static void isInstanceOf(Class<?> type,Object obj, Supplier<String> messageSupplier) {
	notNull(type, (String)"Type to check against must not be null");
	if (!type.isInstance(obj)) {
	  instanceCheckFailed(type, obj, nullSafeGet(messageSupplier));
	}

  }

  public static void isInstanceOf(Class<?> type,Object obj) {
	isInstanceOf(type, obj, "");
  }

  public static void isAssignable(Class<?> superType,Class<?> subType, String message) {
	notNull(superType, (String)"Supertype to check against must not be null");
	if (subType == null || !superType.isAssignableFrom(subType)) {
	  assignableCheckFailed(superType, subType, message);
	}

  }

  public static void isAssignable(Class<?> superType,Class<?> subType, Supplier<String> messageSupplier) {
	notNull(superType, (String)"Supertype to check against must not be null");
	if (subType == null || !superType.isAssignableFrom(subType)) {
	  assignableCheckFailed(superType, subType, nullSafeGet(messageSupplier));
	}

  }

  public static void isAssignable(Class<?> superType, Class<?> subType) {
	isAssignable(superType, subType, "");
  }

  private static void instanceCheckFailed(Class<?> type,Object obj,String msg) {
	String className = obj != null ? obj.getClass().getName() : "null";
	String result = "";
	boolean defaultMessage = true;
	if (StringUtils.isNotBlank(msg)) {
	  if (endsWithSeparator(msg)) {
		result = msg + " ";
	  } else {
		result = messageWithTypeName(msg, className);
		defaultMessage = false;
	  }
	}

	if (defaultMessage) {
	  result = result + "Object of class [" + className + "] must be an instance of " + type;
	}

	throw new IllegalArgumentException(result);
  }

  private static void assignableCheckFailed(Class<?> superType,Class<?> subType,String msg) {
	String result = "";
	boolean defaultMessage = true;
	if (StringUtils.isNotBlank(msg)) {
	  if (endsWithSeparator(msg)) {
		result = msg + " ";
	  } else {
		result = messageWithTypeName(msg, subType);
		defaultMessage = false;
	  }
	}

	if (defaultMessage) {
	  result = result + subType + " is not assignable to " + superType;
	}

	throw new IllegalArgumentException(result);
  }

  private static boolean endsWithSeparator(String msg) {
	return msg.endsWith(":") || msg.endsWith(";") || msg.endsWith(",") || msg.endsWith(".");
  }

  private static String messageWithTypeName(String msg,Object typeName) {
	return msg + (msg.endsWith(" ") ? "" : ": ") + typeName;
  }

  private static String nullSafeGet(Supplier<String> messageSupplier) {
	return messageSupplier != null ? (String)messageSupplier.get() : null;
  }
}
